Search Results for the EPA National Library Catalog

Items Found: 491
Showing: Items 401 - 450
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Study of corrosion products in the Seattle Water Department Tolt distribution system / 1975
Study of the Effects of Island Development on Lake Water Quality. 1972
Study of the Reliability of Continuous Water Quality Monitoring. 1973
Study to Improve Dissolved Oxygen Analysis Techniques to Facilitate Water Quality Field Survey Applications. 1973
Sulfamic Acid Modification of the Winkler Method for Dissolved Oxygen. 1941
Supplement to Effects of Thermal Discharges on Physico-Chemical Processes and Water Quality, Vistula River, Poland. 1977
Survey of chemical factors in Saginaw Bay (Lake Huron) / 1977
Survey of laboratory studies relating to the sorption/desorption of contaminants on selected well casing materials / 1992
Survival and Adult Emergence of Aquatic Insects in Air-Supersaturated Water. 1981
Survival of pathogens in animal manure disposal / 1973
Technical guidance manual for performing waste load allocations : Book VII : Permit averaging periods / 1984
Technical guidance manual for performing waste load allocations. Book 2, Streams and rivers. 1983
Technical guidance manual for performing waste load allocations. Book II, Streams and rivers. 1983
Techniques to Reduce Nitrogen in Drainage Effluent During Transport. 1971
Temperature and Turbulance Effects on the Parameter delta in the Stochastic Model for Bod and Do in Streams. 1969
Temperature, Dissolved Oxygen and Salinity Data for the Penobscot River Estuary, 1966-1970. 1971
The effect of saline seep on the biota of five reservoirs in Montana / 1977
The effects of well casing material on ground water-quality / 1991
The enhanced stream water quality models QUAL2E and QUAL2E-UNCAS : documentation and user model / 1987
The impact of inorganic phosphates in the environment : final report / 1978
The Ohio River- McAlpine Pool report, Kentucky-Indiana. 1973
Thermal Fluid-Mechanical Model for Estimation of Power Plant Inpact on a Stratified Lake. 1971
Thermodynamic Analysis of a Primary Waste Stabilization Pond. 1970
Toxicity to fish of Cyanides and related compounds : a review / 1976
Treatment of packinghouse wastewater by intermittent sand filtration / 1978
Turbulent Diffusion and Reaeration in Natural Rivers. 1969
Understanding the estuary : advances in Chesapeake Bay research / 1988
Upper Yellowstone River, Montana: Macroinvertebrate Distribution and Water Analysis 1973-1974. 1981
Urban stormwater and combined sewer overflow impact on receiving water bodies : proceedings of the national conference, Orlando, Florida November 26-28, 1979 / 1980
Use of Chemical Additives to Improve Aeration Rates. 1965
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems / 1989
Use of the Protococcaceae for Purifying Waste Water (Primenenie Protokokkovykh Vodorosley dlya Ochiski Stochnykh Vod). 1971
User's Manual for the Dynamic (Delaware) Estuary Model. 1980
User's manual for the dynamic (Potomac) estuary model / 1979
Verification of the water quality impacts of combined sewer overflow / 1979
Verification of Water Quality Models. 1982
Virgin River Study - Utah: March, 1976. 1977
Virus Removal--Water and Wastewater. 1972
Volunteer lake monitoring : a methods manual. 1991
Volunteer Lake Monitoring Program, 1988. Volume 3. Northeastern Illinois Region. 1989
Volunteer Lake Monitoring Program, 1989. Volume 2. Northwestern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 4. West-Central Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 5. East-Central Illinois Region. 1990
Ware River intensive watershed study : 2. estuarine receiving water quality / 1983
Washout Processes in Lake Systems. 1972
WASP4, a hydrodynamic and water quality model : model theory, user's manual and programmer's guide / 1988
Waste Disposal. 1976
Wastewater Management Program, Jamaica Bay, New York. Volume II, Supplemental Data. 1976
Wastewater Treatment Facilities, Little Rock (Adams Field), Arkansas. 1981
Water and air quality trends in Region VIII (1978 data) / 1979
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